The fine tooth configuration is specifically designed for precision wood applications, such as cutting under kickplates when installing new flooring, undercutting door jambs, or flush cutting tongue-and-groove. Also easily cuts drywall and other soft materials. Can handle cutting small nails and staples. The flush-cut design allows the operator to lay the blade flat on surfaces perpendicular to the cut. Blade is induction heat-treated. The arbor on this blade is universal and compatible with Fein MultiMaster , Rockwell Sonicrafter , Craftsman Multi-Tool , Bosch Multi-X , Dremel Multi-Max , and Chicago Multi-Tool . 16 teeth per inch, 2-5/8" wide, 1-5/8" cutting depth.